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Bug
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Resolution: Fixed
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Normal
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9.0.0, 8.6.3
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Security Level: Jimmy
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works with Jetty 9.4 / Tomcat
fails on Glassfish 5
not tested on Wildfly/WAS
Steps to Reproduce
enable websockets in zk.xml
trigger an AU
<zk> <button onClick="Clients.log(event.toString())" label="test event"/> </zk>
Current Result
server error in Glassfish 5
[2019-11-27T12:47:04.894+0800] [glassfish 5.0] [WARNING] [] [org.glassfish.tyrus.core.TyrusEndpointWrapper] [tid: _ThreadID=85 _ThreadName=http-listener-1(3)] [timeMillis: 1574830024894] [levelValue: 900] [[ < Session c9e4719f-456e-4261-9890-064d574d2dfc [1 ms]: ZK Session cannot be null! java.lang.IllegalStateException: ZK Session cannot be null! at org.zkoss.zk.ui.http.ZKWebSocket.getDesktop(ZKWebSocket.java:65) at org.zkoss.zkmax.au.websocket.WebSocketEndPoint.onOpen(WebSocketEndPoint.java:93) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.glassfish.tyrus.core.TyrusEndpointWrapper.onConnect(TyrusEndpointWrapper.java:777) at org.glassfish.tyrus.core.TyrusWebSocket.onConnect(TyrusWebSocket.java:159) at org.glassfish.tyrus.core.TyrusWebSocketEngine$TyrusConnection.<init>(TyrusWebSocketEngine.java:821) at org.glassfish.tyrus.core.TyrusWebSocketEngine$SuccessfulUpgradeInfo.createConnection(TyrusWebSocketEngine.java:757) at org.glassfish.tyrus.servlet.TyrusHttpUpgradeHandler.init(TyrusHttpUpgradeHandler.java:110) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:695) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:591) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:371) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:238) at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:463) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:168) at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206) at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180) at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:242) at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119) at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284) at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201) at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133) at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112) at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77) at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:539) at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112) at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117) at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:56) at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137) at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:593) at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:573) at java.lang.Thread.run(Thread.java:748)
Client engine doesn't react anymore
Expected Result
working WS connection
graceful fallback to AJAX
Debug Information
the ZK session stored here:
is not available during onOpen:
